111303103 has 2 divisors, whose sum is σ = 111303104. Its totient is φ = 111303102.

The previous prime is 111303089. The next prime is 111303107. The reversal of 111303103 is 301303111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111303103 - 2⁹ = 111302591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111303107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55651551 + 55651552.

It is an arithmetic number, because the mean of its divisors is an integer number (55651552).

Almost surely, 2^111303103 is an apocalyptic number.

111303103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111303103 is an equidigital number, since it uses as much as digits as its factorization.

111303103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 111303103 is about 10550.0285781603. The cubic root of 111303103 is about 481.0265976535.

Adding to 111303103 its reverse (301303111), we get a palindrome (412606214).

The spelling of 111303103 in words is "one hundred eleven million, three hundred three thousand, one hundred three".